CN104048449B - Injection heating device, circulating system, air conditioning equipment and control method - Google Patents
Injection heating device, circulating system, air conditioning equipment and control method Download PDFInfo
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- CN104048449B CN104048449B CN201410320007.1A CN201410320007A CN104048449B CN 104048449 B CN104048449 B CN 104048449B CN 201410320007 A CN201410320007 A CN 201410320007A CN 104048449 B CN104048449 B CN 104048449B
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 49
- 238000002347 injection Methods 0.000 title claims abstract description 48
- 239000007924 injection Substances 0.000 title claims abstract description 48
- 238000004378 air conditioning Methods 0.000 title claims abstract description 19
- 238000000034 method Methods 0.000 title claims abstract description 16
- 239000007788 liquid Substances 0.000 claims description 72
- 239000003507 refrigerant Substances 0.000 claims description 38
- 230000004087 circulation Effects 0.000 claims description 16
- 238000005057 refrigeration Methods 0.000 claims description 13
- 230000008676 import Effects 0.000 claims description 8
- 238000005381 potential energy Methods 0.000 claims description 6
- 230000001105 regulatory effect Effects 0.000 claims description 5
- 239000003795 chemical substances by application Substances 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims description 2
- 230000002708 enhancing effect Effects 0.000 abstract 1
- 230000017531 blood circulation Effects 0.000 description 5
- 239000002826 coolant Substances 0.000 description 4
- 238000000926 separation method Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical group O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 230000008439 repair process Effects 0.000 description 2
- 239000006200 vaporizer Substances 0.000 description 2
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 230000003292 diminished effect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000002552 dosage form Substances 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 238000009415 formwork Methods 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Landscapes
- Compression-Type Refrigeration Machines With Reversible Cycles (AREA)
Abstract
The invention discloses an injection heating device, a circulating system, air conditioning equipment and a control method. Compared with the existing air conditioning equipment, the invention can improve the energy efficiency of the heating cycle in the aspects of throttling expansion work and compressor power consumption; in addition, the invention can also respectively adjust the flow of the working flow and the injection flow leading to the injector, thereby enhancing the controllability and the adaptability of injection heating.
Description
Technical field
The present invention relates to air-conditioning technical, more particularly, to a kind of injection heating combined equipment, blood circulation, the apparatus of air conditioning and control
Method processed.
Background technology
Heating in circulation in the existing apparatus of air conditioning, using the coolant with vehicle repair major, such as freon etc.,
Realize heating circulation and kind of refrigeration cycle using the different cyclic processes of the conversion of coolant vehicle repair major.In heating circulation, gas
Be there is friction loss in the coolant of state, can consume certain throttling expansion work(when throttling.And in the current apparatus of air conditioning
The compressor being adopted achieves a higher pressure ratio, causes the power consumption of compressor to be also maintained at higher level.Therefore, right
For the existing apparatus of air conditioning, no matter in terms of throttling expansion work(, or all there is continuation in terms of compressor power consumption
Improve the needs of efficiency.
Content of the invention
In view of this, the invention solves the problems that a technical problem be provide a kind of injection heating combined equipment, blood circulation, sky
Gas adjustment equipment and control method, it is possible to increase heat circulation efficiency.
For achieving the above object, the present invention provides a kind of injection heating combined equipment, including injector and gas-liquid separator, described
The exit wound of bullet of injector is connected with described gas-liquid separator, and the working hole of described injector and ejecting port are respectively used to connect interior
The outlet of heat-exchanger rig and the outlet of outdoor heat exchange device, the escape pipe of described gas-liquid separator and drain pipe are respectively used to connect
Choke valve before the import of the import of compressor and described outdoor heat exchange device, the working hole of described injector and ejecting port it
Before further respectively have first flow adjustment unit and second flow adjustment unit.
For achieving the above object, the present invention provides a kind of injection heating recycle system, including compressor, indoor heat exchange dress
Put, outdoor heat exchange device and choke valve, also include injector and gas-liquid separator；Described compressor, described interior heat-exchanger rig,
Described injector and described gas-liquid separator are in turn connected to form the first path；The drain pipe of described gas-liquid separator, described section
Stream valve, described outdoor heat exchange device and described injector are in turn connected to form alternate path, and the working hole of described injector connects
Receive the cold-producing medium of described interior heat-exchanger rig output, exported by outdoor heat exchange device described in the ejecting port injection of described injector
Cold-producing medium, and the gas-liquid two-phase mix refrigerant of formation is sent to by described gas-liquid separation by the exit wound of bullet of described injector
Device；The position being between described interior heat-exchanger rig and described injector in described first path is additionally provided with first flow and adjusts
Section unit；The position being between described injector and described outdoor heat exchange device in described alternate path is additionally provided with second
Amount adjustment unit；The escape pipe of described gas-liquid separator is connected the gas being formed for described gas-liquid separator separates with described compressor
The third path that state cold-producing medium returns, and in described alternate path, it is in described second flow adjustment unit and described outdoor heat exchange
Position between device is connected with described third path.
According to one embodiment of present invention, further, also include leading to described first respectively positioned at described compressor
Cross valve between road and described third path, for switching refrigerant flow direction；It is in described interior in described first path
Position between heat-exchanger rig and described injector is additionally provided with the first opening/closing unit, is in described injection in described alternate path
Position between device and described outdoor heat exchange device is additionally provided with the second opening/closing unit, is in described gas-liquid in described alternate path
Position between the drain pipe of separator and described choke valve is additionally provided with the 3rd opening/closing unit, is in institute in described alternate path
State and in the position between choke valve and described 3rd opening/closing unit and described first path, be in described interior heat-exchanger rig and institute
The position stated between the first opening/closing unit is additionally provided with fourth passage, is additionally provided with the 4th opening/closing unit in described fourth passage,
It is additionally provided with described third path from the check valve to described compressor one-way conduction for the escape pipe of described gas-liquid separator or open
Close unit.
According to one embodiment of present invention, further, in the state of described cross valve switches to and heats circulation, institute
State the first opening/closing unit, described second opening/closing unit and described 3rd opening/closing unit and be in opening, described 4th opening and closing is single
Unit is closed.
According to one embodiment of present invention, further, in the state of described cross valve switches to kind of refrigeration cycle, institute
State the first opening/closing unit, described second opening/closing unit and described 3rd opening/closing unit to be closed, described 4th opening and closing is single
Unit is in opening.
According to one embodiment of present invention, further, described first opening/closing unit and described first flow adjust list
Unit is same electromagnetic valve, and described second opening/closing unit and described second flow adjustment unit are same electromagnetic valve.
According to one embodiment of present invention, further, described injector includes nozzle, mixing chamber and bubbler；Institute
The cold-producing medium stating indoor heat-exchanger rig output is depressurized by the working hole described nozzle of entrance of described injector, and potential energy is changed
For kinetic energy, the cold-producing medium injection of described nozzle exit is defeated by described alternate path by the ejecting port input of described injector
The gaseous refrigerant going out forms the cold-producing medium of gas-liquid two-phase；The cold-producing medium of described gas-liquid two-phase slows down in described bubbler and rises
Pressure, kinetic energy is changed into potential energy, is sent to described gas-liquid separator by the exit wound of bullet of described injector.
For achieving the above object, the present invention provides a kind of apparatus of air conditioning, heats circulation including injection as above
System.
For achieving the above object, the present invention provides a kind of control method based on injection heating recycle system as above, bag
Include: when cross valve switches to the state of kind of refrigeration cycle, so that the first opening/closing unit, the second opening/closing unit and the 3rd opening/closing unit is opened
Open, and so that the 4th opening/closing unit is closed, formed and heat circulation；When cross valve switches to the state heating circulation, make described
One opening/closing unit, described second opening/closing unit and described 3rd opening/closing unit are closed, and so that the 4th opening/closing unit is opened, and form system
SAPMAC method.
The injection heating combined equipment of the present invention, blood circulation, the apparatus of air conditioning and control method, using injector mixed liquor
The biphase cold-producing medium of gas, and it is lifted into the pressure of the cold-producing medium of gas-liquid separator, then freezed using gas-liquid separator
The gas-liquid separation of agent, the throttling expansion work(that the liquid refrigerant isolated is consumed when by choke valve is less, and enters into pressure
The gaseous refrigerant of contracting machine, due to pressure rise, also makes the pressure ratio of compressor diminish, and then reduces the power consumption of compressor, therefore
For the existing apparatus of air conditioning, the present invention can improve system in terms of throttling expansion work(and in terms of compressor power consumption
The efficiency of thermal cycle.In addition, the present invention draws to leading to respectively also by first flow adjustment unit and second flow adjustment unit
The workflow of emitter and flow type pump with injection carry out Flow-rate adjustment, strengthen controllability and the adaptability that injection heats.
Brief description
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
Have technology description in required use accompanying drawing be briefly described it should be apparent that, drawings in the following description are only
Some embodiments of the present invention, for those of ordinary skill in the art, without having to pay creative labor, also
Other accompanying drawings can be obtained according to these accompanying drawings.
Fig. 1 is the schematic diagram of an embodiment of the injection heating recycle system according to the present invention；
Fig. 2 is the schematic diagram of another embodiment of the injection heating recycle system according to the present invention.
Specific embodiment
With reference to the accompanying drawings the present invention is described more fully, the exemplary embodiment of the present invention is wherein described.Under
Face, by with reference to the accompanying drawing in the embodiment of the present invention, is clearly and completely described to the technical scheme in the embodiment of the present invention, shows
So, described embodiment is only a part of embodiment of the present invention, rather than whole embodiments.Based on the reality in the present invention
Apply example, the every other embodiment that those of ordinary skill in the art are obtained under the premise of not making creative work, all belong to
In the scope of protection of the invention.
In the present invention, " first ", " second " etc. are to be distinguished by description, not other special implications.
As shown in figure 1, injection heating recycle system includes: compressor 1, indoor heat-exchanger rig 2, outdoor heat exchange device 3, section
Stream valve 4, injector 5 and gas-liquid separator 6.Compressor 1, indoor heat-exchanger rig 2, injector 5 and gas-liquid separator 6 are sequentially connected
Form the first path 20.
The drain pipe of gas-liquid separator 6, choke valve 4, outdoor heat exchange device 3 and injector 5 are in turn connected to form second and lead to
Road 22, and the working hole of injector 5 receives liquid refrigerant or gas-liquid mixed refrigerant of indoor heat-exchanger rig 2 output etc., leads to
Cross the gaseous refrigerant of ejecting port injection outdoor heat exchange device 3 output, the gas-liquid two-phase hybrid refrigeration that will be formed by exit wound of bullet
Agent is sent to gas-liquid separator 6, and the escape pipe of gas-liquid separator 6 connects formation with compressor 1 and supplies the detached gas of gas-liquid separator 6
The third path 24 that state cold-producing medium returns.
In the state of heating, get in heat-exchanger rig 2 through the gaseous refrigerant that compressor 1 compresses after increasing temperature and pressure and enter
Row heat exchange, the liquid refrigerant of indoor heat-exchanger rig 2 output enters the gaseous refrigerant that injector 5 injection is inputted by alternate path 22
Dosage form becomes the cold-producing medium of gas-liquid two-phase, and the cold-producing medium of this gas-liquid two-phase is inputted gas-liquid separator 6.Gas-liquid separator 6 separates
Liquid refrigerant enter alternate path 22 and input injector 5 generated after gaseous refrigerant by outdoor heat exchange device 3, gas-liquid is divided
Return compressor 1 from the detached gaseous refrigerant of device 6 through third path 24, and move in circles.
The injection heating recycle system of the present invention is the steam compression system using injection/ejector, is a kind of effective
Energy conserving system, it is possible to reduce throttling expansion is lost, reduces compressor pressure ratio, improves refrigerant system efficiency.In an embodiment, draw
Penetrate heating recycle system and include compressor 1, indoor heat-exchanger rig 2, outdoor heat exchange device 3 and choke valve 4.
Compressor 1 can constantly extract and to provide power for kind of refrigeration cycle with discharging refrigerant (also referred to as coolant).Indoor
Heat-exchanger rig 2 is the heat-exchange device being arranged at interior when using, such as condenser etc..Outdoor heat exchange device 3 is to use
When be arranged at outdoor heat-exchange device, such as vaporizer etc..Indoor heat-exchanger rig 2 and outdoor heat exchange device 3 can also adopt
The heat-exchange apparatus of other forms, such as regenerator, subcooler etc..Choke valve 4 is the heating power that cold-producing medium is carried out with reducing pressure by regulating flow
It is also possible to play the effect controlling the refrigerant flow entering vaporizer, choke valve 4 can adopt capillary tube, thermal expansion to equipment
Valve, electric expansion valve or restricting orifice etc..
Injector 5 (can also be ejector) is configured to the liquid refrigerant injection of indoor heat-exchanger rig 2 output
The gaseous refrigerant of outdoor heat exchange device 3 output is to gas-liquid separator.Injector 5 plays recovery restriction loss and lifting compressor
The dual function of entrance refrigerant pressure, is favorably improved heating efficiency.
The configuration example of realizing that a kind of injector has been provided below helps understand injector 5.Injector includes nozzle, mixing
Room and bubbler, the liquid refrigerant of indoor heat-exchanger rig output enters nozzle by working hole and is depressurized, and potential energy is changed into
Kinetic energy, and the cold-producing medium injection of nozzle exit forms gas by what ejecting port inputted by the gaseous refrigerant that alternate path exports
The biphase cold-producing medium of liquid, and the cold-producing medium of gas-liquid two-phase slows down boosting in bubbler, and kinetic energy is changed into potential energy, by projecting
The cold-producing medium of gas-liquid two-phase is inputted gas-liquid separator 6 by mouth.
Using the biphase cold-producing medium of injector mixed liquor gas, and it is lifted into the pressure of the cold-producing medium of gas-liquid separator, so
Carry out the gas-liquid separation of cold-producing medium, the section that the liquid refrigerant isolated is consumed when by choke valve afterwards using gas-liquid separator
Stream expansion work is less, and enters into the gaseous refrigerant of compressor due to pressure rise, so that the pressure ratio of compressor is diminished, enters
And reduce the power consumption of compressor, therefore compared to the existing apparatus of air conditioning for, the present invention can be in throttling expansion work(side
Face and compressor power consumption aspect improve the efficiency heating circulation.
According to one embodiment of present invention, it is between injector 5 and outdoor heat exchange device 3 in alternate path 22
Position is additionally provided with the second electromagnetic valve 7, and the second electromagnetic valve 7, as second flow adjustment unit, enters injector 5 nozzle for controlling
Gaseous refrigerant flow.The position being between indoor heat-exchanger rig 2 and injector 5 in the first path 20 is additionally provided with
One electromagnetic valve 8, the first electromagnetic valve 8, as first flow adjustment unit, enters the stream of the cold-producing medium of injector 5 nozzle for control
Amount.Entrance injector 5 can be controlled according to specific application scenarios to carry out injection by the second electromagnetic valve 7 and the first electromagnetic valve 8
Gaseous state, the flow of the cold-producing medium of liquid, the effect heating can be adjusted.
According to one embodiment of present invention, it is in alternate path 22 between second electromagnetic valve 7 and outdoor heat exchange device 3
Position be connected by connecting path 26 with third path 24.The detached gaseous refrigerant of gas-liquid separator 6 is through threeway
When road 24 returns compressor 1, gaseous refrigerant can enter third path 24 by connecting path 26, can lead to as by second
Road 22 inputs a part for the gaseous refrigerant of injector 5.According to specific application scenarios, can be controlled by the second electromagnetic valve 7
Gaseous refrigerant processed enters the flow of third path 24 by connecting path 26, can control and be led to by connecting path 26, second
Road 22 enters the gaseous refrigerant agent flux of injector 5.
According to one embodiment of present invention, as shown in Fig. 2 system also include positioned at compressor 1 respectively with the first path
Cross valve 11 and third path between.Refrigerant flow direction is allowed hand over by cross valve 11, make system can realize heating and
The switching of refrigerating function.It is in the second electromagnetic valve of the position between injector 5 and outdoor heat exchange device 3 in alternate path 22
7, can be used as the second opening/closing unit.The position being between indoor heat-exchanger rig 2 and injector 5 in the first path 20 also sets
There is the first electromagnetic valve 8, can be used as the first opening/closing unit.It is in drain pipe and the section of gas-liquid separator 6 in alternate path 22
Position between stream valve 4 is additionally provided with the 3rd electromagnetic valve 10, as the 3rd opening/closing unit.
The position being between choke valve 4 and the 3rd electromagnetic valve 10 in alternate path 22 is in interior with the first path 20
Position between heat-exchanger rig 2 and the second electromagnetic valve 8 is additionally provided with fourth passage 30, is additionally provided with the 4th electromagnetism in fourth passage 30
Valve 9, as the 4th opening/closing unit.Third path is additionally provided with from the escape pipe of gas-liquid separator 6 to compressor 1 one-way conduction
Check valve 12 it is also possible to setting opening/closing unit, for example, electromagnetic valve etc..First opening/closing unit and first flow adjustment unit can
To be realized it is also possible to independently be configured by same electromagnetic valve, the second opening/closing unit and second flow adjustment unit are by same
One electromagnetic valve is realized it is also possible to independently be configured.Each channel opening and closing unit and flow regulating unit can adopt electromagnetic valve, also
Can using other being capable of control access opening and closing or carry out the device of Flow-rate adjustment.
According to one embodiment of present invention, in the state of being switched to by cross valve 11 and heating circulation, the second electromagnetism
Valve 7, the first electromagnetic valve 8 and the 3rd electromagnetic valve 10 are in opening, and the 4th electromagnetic valve 9 is closed.By four-way
In the state of valve 11 switches to kind of refrigeration cycle, the second electromagnetic valve 7, the first electromagnetic valve 8 and the 3rd electromagnetic valve 10 are closed,
4th electromagnetic valve 9 is in opening.
According to one embodiment of present invention, the first working hole d of cross valve 11, the second working hole e respectively with compressor 1
Outlet and interior heat-exchanger rig 2 import be connected.Third path includes: the first backflow sub-channel 28 and the second backflow are logical
Road 32.The two ends of the first backflow sub-channel 28 are connected with the escape pipe of gas-liquid separator 6 and the 3rd working hole c of cross valve respectively
Logical.The two ends of the second backflow sub-channel 32 are connected with the import of compressor 1 with the 4th working hole s of cross valve respectively.
In the state of heating, the second electromagnetic valve 7, the first electromagnetic valve 8 and the 3rd electromagnetic valve 10 are in opening, and the 4th
Electromagnetic valve 9 is closed, the gaseous refrigerant after compressor 1 increasing temperature and pressure by the first working hole d of cross valve, the
Two working hole e get in heat-exchanger rig 2 and carry out heat exchange.The detached gaseous refrigerant of gas-liquid separator 6 is through the first backflow
Path 28, the 3rd working hole c of cross valve, the 4th working hole s, the second backflow sub-channel 32 return compressor 1.In the first backflow
Check valve 12 is arranged on sub-channel 28, the detached gaseous refrigerant of gas-liquid separator 6 can enter through the first backflow sub-channel 28
Enter the 3rd working hole c of cross valve.
Alternate path 22 between injector 5 and outdoor heat exchange device 3 is connected with the first backflow sub-channel 28.?
In the state of refrigeration, the second electromagnetic valve 7, the first electromagnetic valve 8 and the 3rd electromagnetic valve 10 are closed, at the 4th electromagnetic valve 9
In opening.High temperature and high pressure gaseous refrigerant through compressor 1 through the first working hole d and the 3rd working hole c of cross valve,
After the first backflow sub-channel 28, connecting path 26 entrance outdoor heat exchange device 3 carry out heat exchange condensation, sequentially pass through choke valve
4th, fourth passage 30 gets in heat-exchanger rig 2 and carries out heat exchange, and by the second working hole e and the 4th working hole s of cross valve,
Second backflow sub-channel 32 returns compressor 1.
In injection heating recycle system of the present invention, can also be adjusted single by injector, gas-liquid separator and first flow
Unit and second flow adjustment unit, can be using injection heating combined equipment as only when being used forming independent injection heating combined equipment
Formwork erection block is installed in air conditioning system, realizes injection and heats circulation.
Independent injection heating combined equipment can include injector and gas-liquid separator, the exit wound of bullet of injector and gas-liquid separation
Device is connected, and the working hole of injector and ejecting port are respectively used to connect the outlet of indoor heat-exchanger rig and going out of outdoor heat exchange device
Before mouth, the escape pipe of gas-liquid separator and drain pipe are respectively used to connect the import of compressor and the import of outdoor heat exchange device
Choke valve, further respectively had first flow adjustment unit before the working hole and ejecting port of injector and second flow adjusts list
Unit.
According to one embodiment of present invention, cold-producing medium is carbon dioxide or Hydrocarbon etc..According to the present invention's
One embodiment, a kind of apparatus of air conditioning, including injection heating recycle system as above.The apparatus of air conditioning such as air-cooled ducted air conditioner,
Central air-conditioning etc., the injection heating recycle system of the present invention can also be used in heat pump refrigeration cycle system.
According to one embodiment of present invention, on the basis of above-mentioned Fig. 2 injection heating recycle system embodiment, the present invention
Additionally provide a kind of control method, comprising:
When cross valve switches to the state heating circulation, make the first opening/closing unit, the second opening/closing unit and the 3rd opening and closing
Unit is opened, and so that the 4th opening/closing unit is closed, and is formed and efficiently heats circulation；When cross valve switches to the state of kind of refrigeration cycle
When, so that the first opening/closing unit, the second opening/closing unit and the 3rd opening/closing unit is closed, and so that the 4th opening/closing unit is opened, formed general
Lead to and heat circulation.So just can realize efficiently heating using the operation of cross valve and individual channel opening/closing unit and circulate and common
The good switching of kind of refrigeration cycle.
The injection heating combined equipment of the present invention, blood circulation, the apparatus of air conditioning and control method, it is possible to reduce throttling expansion
Loss, can reduce compressor pressure ratio, improve heating efficiency.
Arbitrary technical scheme disclosed in the invention described above unless otherwise stated, if it discloses numerical range, then
Disclosed numerical range is preferred numerical range, any it should be appreciated by those skilled in the art: preferably numerical range
It is only the obvious or representative numerical value of technique effect in many enforceable numerical value.Due to numerical value more it is impossible to
Exhaustion, so the present invention just discloses component values to illustrate technical scheme, and, the above-mentioned numerical value enumerated is not
The restriction to the invention protection domain should be constituted.
Meanwhile, if the invention described above disclosure or the parts or the structural member that relate to connection fastened to each other, then, except another
Have statement outer, be fixedly connected it is to be understood that can releasably be fixedly connected (for example using bolt or mode connects for screw) it is also possible to
Be interpreted as: non-removable be fixedly connected (such as riveting, welding), certainly, connection fastened to each other can also be integral type structure
(for example manufacturing using casting technique is integrally formed) is replaced (substantially cannot be using except integrally formed technique).
In addition, the art for representing position relationship or shape applied in arbitrary technical scheme disclosed in the invention described above
Its implication includes approximate with it, similar or close state or shape to language unless otherwise stated.The either component that the present invention provides
Both can be to be assembled by multiple single ingredients it is also possible to the separate part that manufactures of the technique that is one of the forming.
Finally it should be noted that: above example is only not intended to limit in order to technical scheme to be described；To the greatest extent
Pipe has been described in detail to the present invention with reference to preferred embodiment, and those of ordinary skill in the art are it is understood that still
The specific embodiment of the present invention can be modified or equivalent is carried out to some technical characteristics；Without deviating from this
The spirit of bright technical scheme, it all should be covered in the middle of the technical scheme scope that the present invention is claimed.
Claims (9)
1. a kind of injection heating combined equipment is it is characterised in that include injector and gas-liquid separator, the exit wound of bullet of described injector with
Described gas-liquid separator is connected, the working hole of described injector and ejecting port be respectively used to connect the outlet of indoor heat-exchanger rig and
The outlet of outdoor heat exchange device, the escape pipe of described gas-liquid separator and drain pipe are respectively used to connect import and the institute of compressor
State the choke valve before the import of outdoor heat exchange device, before the working hole and ejecting port of described injector, further respectively have first
Flow regulating unit and second flow adjustment unit.
2. a kind of injection heating recycle system, including compressor, indoor heat-exchanger rig, outdoor heat exchange device and choke valve, it is special
Levy and be, also include injector and gas-liquid separator；
Described compressor, described interior heat-exchanger rig, described injector and described gas-liquid separator are in turn connected to form first and lead to
Road；
The drain pipe of described gas-liquid separator, described choke valve, described outdoor heat exchange device and described injector are sequentially connected shape
Become alternate path, and the working hole of described injector receives the cold-producing medium of described interior heat-exchanger rig output, by described injection
The cold-producing medium of the output of outdoor heat exchange device described in ejecting port injection of device, and the gas that will be formed by the exit wound of bullet of described injector
Liquid two-phase mixtures cold-producing medium is sent to described gas-liquid separator；
The position being between described interior heat-exchanger rig and described injector in described first path is additionally provided with first flow
Adjustment unit；The position being between described injector and described outdoor heat exchange device in described alternate path is additionally provided with second
Flow regulating unit；
The escape pipe of described gas-liquid separator is connected the gaseous refrigerant being formed for described gas-liquid separator separates with described compressor
The third path that agent returns, and be in described alternate path described second flow adjustment unit and described outdoor heat exchange device it
Between position be connected with described third path.
3. injection heating recycle system according to claim 2 is it is characterised in that also include positioned at described compressor respectively
Cross valve and described first path and described third path between, for switching refrigerant flow direction；In described first path
The position being between described interior heat-exchanger rig and described injector is additionally provided with the first opening/closing unit, in described alternate path
The position being between described injector and described outdoor heat exchange device is additionally provided with the second opening/closing unit, in described alternate path
The position being between the drain pipe of described gas-liquid separator and described choke valve is additionally provided with the 3rd opening/closing unit, described second
It is in path in the position between described choke valve and described 3rd opening/closing unit and described first path and be in described interior
Position between heat-exchanger rig and described first opening/closing unit is additionally provided with fourth passage, is additionally provided with the 4th in described fourth passage
Opening/closing unit, is additionally provided with from the escape pipe of described gas-liquid separator to described compressor one-way conduction in described third path
Check valve or opening/closing unit.
4. injection heating recycle system according to claim 3 follows it is characterised in that switching to heat in described cross valve
In the state of ring, described first opening/closing unit, described second opening/closing unit and described 3rd opening/closing unit are in opening, institute
State the 4th opening/closing unit to be closed.
5. injection heating recycle system according to claim 3 is it is characterised in that switch to refrigeration to follow in described cross valve
In the state of ring, described first opening/closing unit, described second opening/closing unit and described 3rd opening/closing unit are closed, institute
State the 4th opening/closing unit and be in opening.
6. injection heating recycle system according to claim 3 is it is characterised in that described first opening/closing unit and described
One flow regulating unit is same electromagnetic valve, and described second opening/closing unit and described second flow adjustment unit are same electromagnetism
Valve.
7. injection heating recycle system according to claim 2 is it is characterised in that described injector includes nozzle, mixing
Room and bubbler；The cold-producing medium of described interior heat-exchanger rig output enters described nozzle by the working hole of described injector and is dropped
Pressure, potential energy is changed into kinetic energy, the cold-producing medium injection of described nozzle exit by the ejecting port input of described injector by
The gaseous refrigerant of described alternate path output forms the cold-producing medium of gas-liquid two-phase；The cold-producing medium of described gas-liquid two-phase is in described expansion
Slow down in scattered device and boost, kinetic energy is changed into potential energy, described gas-liquid separator is sent to by the exit wound of bullet of described injector.
8. a kind of apparatus of air conditioning is it is characterised in that include the arbitrary described injection heating recycle system of claim 2 to 7.
9. a kind of control method based on the arbitrary described injection heating recycle system of claim 3～7 is it is characterised in that wrap
Include:
When cross valve switches to the state heating circulation, make the first opening/closing unit, the second opening/closing unit and the 3rd opening/closing unit
Open, and so that the 4th opening/closing unit is closed, formed and heat circulation；
When cross valve switches to the state of kind of refrigeration cycle, make described first opening/closing unit, described second opening/closing unit and described
3rd opening/closing unit is closed, and so that the 4th opening/closing unit is opened, and forms kind of refrigeration cycle.
Priority Applications (1)
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| CN106931675B (en) * | 2017-04-13 | 2019-11-29 | 广东美的白色家电技术创新中心有限公司 | The injecting type circulatory system and air-conditioning |
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